145046164 has 12 divisors (see below), whose sum is σ = 255161088. Its totient is φ = 72143000.

The previous prime is 145046149. The next prime is 145046173. The reversal of 145046164 is 461640541.

145046164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145046164² = 42076779382229792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94162 + ... + 95689.

It is an arithmetic number, because the mean of its divisors is an integer number (21263424).

Almost surely, 2^145046164 is an apocalyptic number.

It is an amenable number.

145046164 is a deficient number, since it is larger than the sum of its proper divisors (110114924).

145046164 is a wasteful number, since it uses less digits than its factorization.

145046164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190046 (or 190044 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 145046164 is about 12043.5112820141. The cubic root of 145046164 is about 525.4145345820.

The spelling of 145046164 in words is "one hundred forty-five million, forty-six thousand, one hundred sixty-four".